Presidential address. Health costs, competition and the physician.
D002764:Cholecystitis / Q000175:diagnosis / Q000191:economics; D003363:Cost Control / Q000379:methods*; D003955:Diagnostic Tests, Routine; D004465:Economic Competition; D004467:Economics; D005102:Health Expenditures / Q000639:trends*; D006801:Humans; D011787:Quality of Health Care; D014481:United States